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This kind of polished approach is beneficial for a commendable grade in the Oracle Database SQL (1z0-071) exam. While attempting the exam, take heed of the clock ticking, so that you manage the Oracle Database SQL (1z0-071) questions in a time-efficient way. Even if you are completely sure of the correct answer to a question, first eliminate the incorrect ones, so that you may prevent blunders due to human error.

Oracle 1z0-071 Exam Syllabus Topics:

SectionObjectives
Data Manipulation and Schema Objects- DML operations
  • 1. INSERT, UPDATE, DELETE, MERGE
    - DDL operations
    • 1. CREATE, ALTER, DROP tables and constraints
      Subqueries and Advanced SQL- Correlated subqueries and nested queries
      - Single-row and multi-row subqueries
      SQL Retrieval- Joins and set operations
      • 1. UNION, INTERSECT, MINUS
        • 2. INNER, OUTER, CROSS joins
          - SELECT statements and filtering data
          • 1. WHERE clause and conditions
            • 2. ORDER BY and row limiting
              Relational Database Concepts- Data types and database objects overview
              - Tables, rows, columns, and relational model basics
              SQL Functions- Conversion and conditional functions
              • 1. TO_CHAR, TO_NUMBER, CASE expressions
                - Single-row functions
                • 1. Character, numeric, date functions

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                  Oracle Database SQL Sample Questions (Q414-Q419):

                  NEW QUESTION # 414
                  You create a table by using this command:
                  CREATE TABLE rate_list (rate NUMBER(6,2));
                  Which two are true about executing statements?

                  Answer: C,D


                  NEW QUESTION # 415
                  Examine the data in the PRODUCTS table:

                  Examine these queries:
                  1. SELECT prod name, prod list
                  FROM products
                  WHERE prod 1ist NOT IN(1020) AND category _id=1;
                  2. SELECT prod name, | prod _ list
                  FROM products
                  WHERE prod list < > ANY (1020) AND category _id= 1;
                  SELECT prod name, prod _ list
                  FROM products
                  WHERE prod_ list <> ALL (10 20) AND category _ id= 1;
                  Which queries generate the same output?

                  Answer: A

                  Explanation:
                  Based on the given PRODUCTS table and the SQL queries provided:
                  * Query 1: Excludes rows where prod_list is 10 or 20 and category_id is 1.
                  * Query 2: Includes rows where prod_list is neither 10 nor 20 and category_id is 1.
                  * Query 3: Excludes rows where prod_list is both 10 and 20 (which is not possible for a single value) and category_id is 1.
                  The correct answer is A, queries 1 and 3 will produce the same result. Both queries exclude rows where prod_list is 10 or 20 and include only rows from category_id 1. The NOT IN operator excludes the values within the list, and <> ALL operator ensures that prod_list is not equal to any of the values in the list, which effectively excludes the same set of rows.
                  Query 2, using the <> ANY operator, is incorrect because this operator will return true if prod_list is different from any of the values in the list, which is not the logic represented by the other two queries.


                  NEW QUESTION # 416
                  View the exhibit and examine the description of the PRODUCT_INFORMATION table.

                  Which SQL statement would retrieve from the table the number of products having LIST_PRICE as NULL?

                  Answer: C


                  NEW QUESTION # 417
                  Which statement is true regarding the default behavior of the ORDER BY clause?

                  Answer: C

                  Explanation:
                  Character Strings and Dates
                  Character strings and date values are enclosed with single quotation marks. Character values are case-sensitive and date values are format-sensitive.
                  The default date display format is DD-MON-RR.


                  NEW QUESTION # 418
                  View the Exhibit and examine the structure of the ORDER_ITEMS and ORDERStables.

                  You are asked to retrieve the ORDER_ID,product_ID, and total price (UNIT_PRICEmultiplied by QUANTITY), where the total price is greater than 50,000.
                  You executed the following SQL statement:
                  SELECTprder_id, product_id, unit_price*quantity "Total Price"
                  FROM order_items
                  WHERE unit_price*quantity > 50000
                  NATURAL JOIN orders;
                  Which statement is true regarding the execution of the statement?

                  Answer: A


                  NEW QUESTION # 419
                  ......

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